Calyx

Real-time strategy and base building against spreading alien plants

Studio 568 · Released Jan 29, 2026 · Early Access

Reviews: Very Positive; 87% of 489
Recent reviews: Mostly Positive; 78% of 14 in 30 days
Players: 13; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 2 weeks ago; Oct 9, 2026
Minimum PC: GeForce GTX 1050 Ti; 8 GB RAM · 4 GB disk; Full requirements

What is Calyx?

This single-player real-time strategy game is set on an alien planet and is in Early Access. As the lone occupant of a mining ship seeking a way home, you refine and export ore, power base defenses, and deploy tanks and artillery across campaign missions and configurable skirmishes.

For you if...

+you enjoy experimenting with different approaches to each mission

Not for you if...

−you prefer relaxed missions without constant enemy pressure
−you want multiplayer battles against other players

What players say

87% of 489 reviews are positive · 78% of 14 in the last 30 days

Players praise the tech-tree progression and the tug-of-war over territory. Some criticize weak units and difficulty balance, while others object to an AI faction that produces troops without mining resources.

Screenshots and trailer

Calyx system requirements

Minimum: GeForce GTX 1050 Ti, 8 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run Calyx?

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Minimum

OS: Windows 10
Processor: Intel Core i5-3570 or AMD FX-8350
Graphics: NVIDIA GeForce GTX 1050 Ti, 4 GB or AMD Radeon R9 380X, 4 GB
Memory: 8 GB RAM
Storage: 4 GB available space
DirectX: Version 11

Does Calyx have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Calyx run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
Default configuration is not performant
All functionality is accessible with the default controller configuration

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Cloud saves, Family Sharing
Languages: Text only: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese.

Does Calyx use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam